Fitbit One vs. Apple Watch Series 2 vs. Huawei Watch 2 vs. Fitbit Charge 3 vs. Amazfit T-Rex

 
One
Watch Series 2
Watch 2
Charge 3
T-Rex
 FitbitOneRemove Buy NowAppleWatch Series 2Remove Buy NowHuaweiWatch 2Remove Buy NowFitbitCharge 3Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$269$350$150$140
Release20122016201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days18 hours48 hours7 days20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312480 x 48066 x 18360 x 360
Sizen/a1.5 inches or 1.65 inches1.38 inches.721 inches1.3 inches
Touch
TypeOLEDAMOLEDP-OLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant5ATMIP685 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSAndroid Wear 2NABuild-in
Apps
Music

All Wearables